%I A061456
%S A061456 1,5,357,93768037,1689174798555184371255653,
%T A061456 9874926935306000254499942419184958425482775497556872534778412080951642469
%N A061456 Binary representation of a(n) corresponds to "ana"-sequence.
%C A061456 Encoding 'ana'/'121' = 1 and 'ann'/'122' = 2 results again in A060032 
               (left shifted).
%e A061456 a(3)= 357= 256+64+32+4+1= '101,100,101' (base 2), A060032(3)= '121,122,
               121'.
%Y A061456 A060032.
%Y A061456 Sequence in context: A059839 A158105 A006108 this_sequence A006430 A007667 
               A121668
%Y A061456 Adjacent sequences: A061453 A061454 A061455 this_sequence A061457 A061458 
               A061459
%K A061456 eigen,nonn
%O A061456 1,2
%A A061456 Frank.Ellermann(AT)t-online.de, Jun 11 2001